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Real Numbers Vocabulary

AB
Real Numbersthe set of counting numbers.
Rational Numbersincludes the set of all numbers that can be expressed as fractions in the form a/b where a and b are integers and b does not equal zero (1/2, 0.5, √25)
Irrational Numbersthe set of all nonrepeating, nonterminating decimals. An irrational number cannot be written in fraction form (√2,π)
Natural Numbersthe set of counting numbers (1,2,3,4,5...)
Whole Numbersthe set of natural numbers and zero (0,1,2,3,4...)
Integersthe set of whole numbers and their opposites (....-3, -2, -1, 0, 1, 2, 3...)
The product(x) of a rational number is alway __________.Rational
The sum of rational numbers is always _________.Rational
The sum of all rational numbers and irrational numbers is always ___________.Irrational
The product of an irrational numbers and an irrational numbers are always ___________.Irrational


Instructional Assistant
Berkeley Middle School

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